Remove unreached code, use black formatter

functions/classes.py

@@ -7,6 +7,7 @@ import uuid
 from typing import List, Dict, Optional
 import json
 
+
 class AggregationLayer(Enum):
     SYSTEM = auto()
     ASSEMBLY = auto()
@@ -15,13 +16,19 @@ class AggregationLayer(Enum):
 
 
 class LegoComponent:
-    def __init__(self, label: Optional[str] = None, datasheet: Optional[dict] = None, *more_properties: dict, **kwargs) -> None:
+    def __init__(
+        self,
+        label: Optional[str] = None,
+        datasheet: Optional[dict] = None,
+        *more_properties: dict,
+        **kwargs,
+    ) -> None:
         self.uuid: uuid.UUID = uuid.uuid4()
         self.parent: None | LegoAssembly = None
         self.layer: AggregationLayer = AggregationLayer.COMPONENT
         self.properties: dict = {}
         if label is not None:
-            self.properties['label'] = label
+            self.properties["label"] = label
         if datasheet is not None:
             self.properties.update(datasheet)
         for prop in more_properties:
@@ -32,14 +39,11 @@ class LegoComponent:
         for key, value in kwargs.items():
             self.properties[key] = value
 
-
-
-
     def clone(self, new_label: Optional[str] = None) -> LegoComponent:
         if new_label is None:
-            new_label = self.properties['label']
+            new_label = self.properties["label"]
         clone = LegoComponent(None, None, self.properties)
-        clone.properties['label'] = new_label
+        clone.properties["label"] = new_label
         return clone
 
     def get_root_assembly(self):
@@ -60,24 +64,25 @@ class LegoComponent:
 
     def __str__(self):
         return self.__repr__()
-        return (
-            f"Item(id={self.uuid}, item_number={self.lego_id}, "
-            f"mass={self.mass}, delivery_time={self.delivery_time}, "
-            f"parent_id={self.parent})"
-        )
 
     def __repr__(self):
         return f"LegoComponent {self.properties['label']} [{self.uuid}]"
 
 
 class LegoAssembly:
-    def __init__(self, layer: AggregationLayer, label: Optional[str] = None, *properties: dict , **kwargs) -> None:
+    def __init__(
+        self,
+        layer: AggregationLayer,
+        label: Optional[str] = None,
+        *properties: dict,
+        **kwargs,
+    ) -> None:
         self.uuid: uuid.UUID = uuid.uuid4()
         self.parent: None | LegoAssembly = None
         self.properties: dict = {}
         self.layer: AggregationLayer = layer
         if label is not None:
-            self.properties['label'] = label
+            self.properties["label"] = label
         for prop in properties:
             if isinstance(prop, dict):
                 self.properties.update(prop)
@@ -128,7 +133,9 @@ class LegoAssembly:
         assembly.parent = self
         self.assemblies.append(assembly)
 
-    def add(self, part: LegoAssembly | LegoComponent | List[LegoAssembly | LegoComponent]) -> None:
+    def add(
+        self, part: LegoAssembly | LegoComponent | List[LegoAssembly | LegoComponent]
+    ) -> None:
         if isinstance(part, LegoComponent):
             self.add_component(part)
         elif isinstance(part, LegoAssembly):
@@ -141,6 +148,7 @@ class LegoAssembly:
                 f"Argument should be of types {LegoAssembly.__name__}, {LegoComponent.__name__} or a list of them, "
                 f"got {type(part).__name__} instead."
             )
+
     def children(self) -> Dict[str, List[LegoComponent] | List[LegoAssembly]]:
         return {"components": self.components, "assemblies": self.assemblies}
 
@@ -197,6 +205,7 @@ class LegoAssembly:
             clone.add_assembly(assembly.clone())
         return clone
 
+
 def print_assembly_tree(root, level=0, is_last=False):
     if not isinstance(root, LegoAssembly):
         raise TypeError(
@@ -249,4 +258,4 @@ class KPIEncoder(json.JSONEncoder):
             return "kpi-" + str(o)
         if isinstance(o, (AggregationLayer)):
             return "kpi-" + o.name
-        return super().default(o)
+        return super().default(o)
\ No newline at end of file